Australian Open

MELBOURNE, AUSTRALIA - JANUARY 17: Amanda Anisimova of the United States plays a forehand in her first round doubles match with Danielle Collins of the United States against Raquel Atawo of the United States and Katarina Srebotnik of Slovenia during day four of the 2019 Australian Open at Melbourne Park on January 17, 2019 in Melbourne, Australia. (Photo by Mike Owen/Getty Images)

AO: American women surprise in stunning fashion to get to the fourth round

Does Andy Murray’s retirement signal the beginning of the end of the Big Four?

A supremely confident Federer is still not the favorite for Australian Open

Sascha Zverev roasts Roger Federer during the Hopman Cup trophy presentation

TOPSHOT - Roger Federer of Switzerland (R) stands alongside Serena Willams of the US (L) following their mixed mixed doubles match in their sixth session on day four of the Hopman Cup tennis tournament in Perth January 1, 2019. (Photo by TONY ASHBY / AFP) / -- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE -- (Photo credit should read TONY ASHBY/AFP/Getty Images)

Serena vs. Federer everything we wanted it to be, and needs to be enjoyed

17th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; Novak Djokovic (SRB) celebrates his victory after defeating Kevin Anderson (RSA) in the semi-final match (photo by Hongbo Chens/Action Plus via Getty Images)

A Christmas message round-up from tennis’ biggest stars

MELBOURNE, AUSTRALIA - JANUARY 29: Roger Federer of Switzerland poses with the Norman Brookes Challenge Cup after winning the 2018 Australian Open Men's Singles Final, at Government House on January 29, 2018 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

The world congratulates Roger Federer’s record 20th grand slam

MELBOURNE, AUSTRALIA - JANUARY 28: Roger Federer of Switzerland with the men's singles trophy after defeating Marin Cilic of Croatia on day 14 of the 2018 Australian Open at Melbourne Park on January 28, 2018 in Melbourne, Australia. (Photo by James D. Morgan/Getty Images)

Roger Federer wins record 20th grand slam in Australia

MELBOURNE, AUSTRALIA - JANUARY 27: Caroline Wozniacki of Denmark after winning the women's singles tournament on day 13 of the 2018 Australian Open at Melbourne Park on January 27, 2018 in Melbourne, Australia. (Photo by James D. Morgan/Getty Images)

Woz wins Oz: Caroline Wozniacki ends Grand Slam drought

MELBOURNE, AUSTRALIA - JANUARY 26: Roger Federer of Switzerland serves in his semi-final match against Hyeon Chung of South Korea on day 12 of the 2018 Australian Open at Melbourne Park on January 26, 2018 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Roger Federer in commanding form to collect once-mystical 20th slam trophy

MELBOURNE, AUSTRALIA - JANUARY 25: Marin Cilic of Croatia celbrates after defeating Kyle Edmund of Great Britian in the semi final of the mens singles on day 11 of the 2018 Australian Open at Melbourne Park on January 25, 2018 in Melbourne, Australia. (Photo by James D. Morgan/Getty Images)

Marin Cilic secures his AO final spot and is ready for his second slam title

SINGAPORE - OCTOBER 25: Caroline Wozniacki (L) of Denmark celebrates victory as she shakes the hand of Simona Halep of Romania after their singles match during day 4 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October 25, 2017 in Singapore. (Photo by Clive Brunskill/Getty Images)

Grand slam drought can only end for one at Australian Open finals

MELBOURNE, AUSTRALIA - JANUARY 24: Roger Federer of Switzerland celebrates winning his quarter-final match against Tomas Berdych of the Czech Republic on day 10 of the 2018 Australian Open at Melbourne Park on January 24, 2018 in Melbourne, Australia. (Photo by XIN LI/Getty Images)

Testy Federer advances to semis with win over Berdych

MELBOURNE, AUSTRALIA - JANUARY 24: Hyeon Chung of South Korea plays a forehand in his quarter-final match against Tennys Sandgren of the United States on day 10 of the 2018 Australian Open at Melbourne Park on January 24, 2018 in Melbourne, Australia. (Photo by XIN LI/Getty Images)

South Korea’s Hyeon Chung becomes new fan favorite at Australian Open

MELBOURNE, AUSTRALIA - JANUARY 23: Rafael Nadal of Spain shows his dejection in his quarter-final match against Marin Cilic of Croatia on day nine of the 2018 Australian Open at Melbourne Park on January 23, 2018 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)

Injury ends Rafael Nadal’s title bid in another disappointing Australian Open

MELBOURNE, AUSTRALIA - JANUARY 22: Tennys Sandgren of the United States celebrates winning match point in his fourth round match against Dominic Thiem of Austria on day eight of the 2018 Australian Open at Melbourne Park on January 22, 2018 in Melbourne, Australia. (Photo by Mark Kolbe/Getty Images)

Tennys Sandgren is the last American man standing at the Australian Open

MELBOURNE, AUSTRALIA - JANUARY 22: Hyeon Chung of South Korea celebrates winning a point in his fourth round match against Novak Djokovic of Serbiaon day eight of the 2018 Australian Open at Melbourne Park on January 22, 2018 in Melbourne, Australia. (Photo by XIN LI/Getty Images)

Novak Djokovic defeated in Australia by Next Gen sensation Hyeon Chung

MELBOURNE, AUSTRALIA - JANUARY 17: Marta Kostyuk of Ukraine celebrates winning match point in her second round match against Olivia Rogowska of Australia on day three of the 2018 Australian Open at Melbourne Park on January 17, 2018 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

Marta Kostyuk, who is only 15-years-old, just made history at Australian Open

Novak Djokovic has a new title in tennis: player advocate

MELBOURNE, AUSTRALIA - JANUARY 16: Will Ferrell (L) and John McEnroe (R) interview Roger Federer of Switzerland after Federer won his first round match against Aljaz Bedene of Slovenia on day two of the 2018 Australian Open at Melbourne Park on January 16, 2018 in Melbourne, Australia. (Photo by Ryan Pierse/Getty Images)

Roger Federer gets grilled by Will Ferrell at Australian Open

MELBOURNE, AUSTRALIA - JANUARY 10: Novak Djokovic of Serbia plays a backhand against Dominic Thiem of Austria in the 2018 Kooyong Classic at Kooyong on January 10, 2018 in Melbourne, Australia. (Photo by Daniel Pockett/Getty Images)

Novak Djokovic’s return uneven with a win and a loss in two separate exhibitions

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 28: Andy Murray of Great Britain practice during the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 28, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Francois Nel/Getty Images)

Andy Murray goes under the knife in Australia and is inspired to play in front of eldest daughter

MILAN, ITALY - NOVEMBER 11: Andrey Rublev of Russia looks on in his match against Hyeon Chung of South Korea during the mens final on day 5 of the Next Gen ATP Finals on November 11, 2017 in Milan, Italy. (Photo by Emilio Andreoli/Getty Images)

Andrey Rublev part of the new guard in men’s tennis

BRISBANE, AUSTRALIA - JANUARY 07: Nick Kyrgios of Australia holds up the winners trophy after winning the Men's Final match against Ryan Harrison of the USA during day eight of the 2018 Brisbane International at Pat Rafter Arena on January 7, 2018 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

Nick Kyrgios wins Australian Open warm-up Brisbane International

4th January 2018, Perth Arena, Perth, Australia; MasterCard Hopman Cup Tennis; Roger Federer of Team Switzerland has a laugh during the mixed doubles against the USA (Photo by David Woodley/Action Plus via Getty Images)

Australian Open: Roger Federer looks poised to win 20th grand slam

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 29: Andy Murray of Great Britain looks on during his exhibition match against Roberto Bautista Agut of Spain on day two of the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 29, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Tom Dulat/Getty Images)

Is Andy Murray’s career truly over?

Serena Williams of the US celebrates her victory against Venus Williams of the US during the women's singles final on day 13 of the Australian Open tennis tournament in Melbourne on January 28, 2017. / AFP / PETER PARKS / IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE (Photo credit should read PETER PARKS/AFP/Getty Images)

Serena Williams withdraws from the Australian Open

ABU DHABI, UNITED ARAB EMIRATES - DECEMBER 30: Serena Williams of United States plays a backhand during her Ladies Final match against Jelena Ostapenko of Latvia on day three of the Mubadala World Tennis Championship at International Tennis Centre Zayed Sports City on December 30, 2017 in Abu Dhabi, United Arab Emirates. (Photo by Tom Dulat/Getty Images)

Serena Williams is the latest comeback that seems to be on hold